In the late stage of pot-belly cancer, patients should pay attention to closely observing their body changes, paying attention to diet and living habits, cooperating with doctors to complete follow-up treatment, and also needing regular review. 1. Closely observe patients’ physical changes: patients may have complications in the late stage, so it is necessary to closely observe patients’ physical changes, whether they have fever, abdominal pain, dyspepsia and other symptoms, and also need to pay attention to observing the character and amount of draining fluid. 2. Pay attention to diet and living habits: patients with advanced stage of pot-bellied cancer should pay attention to eating a light diet, eat less and more meals, quit smoking and drinking, don’t eat spicy and stimulating food, strengthen nutrition and pay attention to not staying up all night. 3. Cooperate with doctors to complete follow-up treatment: after the completion of surgical treatment, chemotherapy may need to be carried out for several times, and it is necessary to follow the doctor’s instruction to take drugs to enhance immunity, or use traditional Chinese medicine to alleviate the pain of chemotherapy. 4. Regular checkups: Cancer will have many complications when it develops into the advanced stage, so regular checkups are necessary for early detection and treatment to prevent accidents. Family members should help patients build up confidence to fight against the disease, communicate with each other more often, and go to the hospital in time to consult the physician’s guidance if there is any symptom of physical discomfort.